Strategic Advisory for Development, Infrastructure & Community-Focused Projects in Hawai‘i

SDJ Consulting provides strategic advisory services for complex projects across Hawai‘i, with a focus on navigating the intersection of development, infrastructure, government, and community.

Founded by Stephanie Johnstone, a Honolulu-based attorney with experience in real estate development, utility infrastructure and governmental affairs, the firm brings a practical, locally grounded perspective to projects that require thoughtful coordination across stakeholders, regulatory frameworks, and evolving community priorities.

About Stephanie D. Johnstone

Stephanie D. Johnstone is a Honolulu-based attorney and advisor with experience spanning private practice, infrastructure and utility systems, and legislative affairs. She has supported complex projects across Hawai‘i by navigating regulatory frameworks, coordinating with government and community stakeholders, and helping move initiatives from concept through execution. She holds a Juris Doctor and MBA from the University of Hawai‘i at Mānoa.

Stephanie brings a clear, communication-driven approach to her work, with a strength in distilling complex legal, policy, and strategic issues into actionable insight. Known for her thoughtful and collaborative style, she supports clients in both shaping their projects and effectively communicating them across diverse audiences.

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